| 摘要 |
PROBLEM TO BE SOLVED: To improve usability of a user on switching of a display device on an information processor. SOLUTION: The user previously allocates a prescribed function, such as a switching of the display device, to keys 201, 202, 203 prepared in an information processor 1. The function allocated by the user can be executed by depressing a single key. COPYRIGHT: (C)2004,JPO&NCIPI
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